If Escherichia Coli,grown for a Period of Time in ¹⁵N,is

Multiple Choice

If Escherichia coli,grown for a period of time in ¹⁵N,is transferred to ¹⁴N for one generation of DNA replication,the resulting DNA should have ¹⁴N added to all "new" DNA.If semiconservative replication is occurring,the ¹⁴N-containing "new" DNA will compose:

A) one strand of all bacterial chromosomes.
B) both strands of DNA in half of all bacterial chromosomes.
C) regions dispersed throughout all bacterial DNA.
D) none of the new DNA;it will only be found in the old DNA.
E) None of the answer options are correct.